Shindaiwa 68915-94310, EB8520, EB8520RT EVC User Manual

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SHINDAIWA OWNER’S/OPERATOR’S MANUAL

EB8520 BLOWER EB8520RT BLOWER

EB8520RT

EB8520

WARNING!

Minimize the risk of injury to yourself and others! Read this manual and familiarize yourself with the contents. Always wear eye and hearing protection when operating this unit.

Part Number 68915-94310 Rev. 9/08

Introduction

The Shindaiwa EB8520 has been designed and built to deliver superior performance and reliability without compromise to quality, comfort, safety, or durability.

The information contained in this manual describes units available at the time of production. While every attempt has been made to give you the very latest information about your Shindaiwa EB8520 blower. There may be some differences between your EB8520 blower and what is described here.

WARNING!

The engine exhaust from this

unit contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.

CAUTION!

This blower is equipped with a spark-

arresting mufer! Never operate this unit without both the mufer and

spark arrester installed and properly functioning!

Shindaiwa Inc. reserves the right to make changes in production without prior notice, and without obligation to make alterations to units previously manufactured.

IMPORTANT!

Before using this unit, consult local regulations concerning noise restrictions and hours of operation!

Contents

Attention Statements .................................2

General Safety Instructions Unit Description Speciﬁcations

......................................... 5

..............................................5

Assembling the Blower

......................3

.............................6

PAGE PAGE PAGE

Mixing Fuel Filling the Fuel Tank

................................................8

.................................8

Starting and Stopping the Blower Adjusting Engine Idle Speed Using the Blower

.....................................10

.....................9

............8

Maintenance Storage Troubleshooting Guide Emission System Warranty

.............................................11

......................................................13

...........................14

.....................17

IMPORTANT!

The operational procedures described in this manual are intended to help you get the most from this unit and also to protect you and others from harm. These procedures are general guidelines only, and are not intended to replace any safety rules/laws that may be in force in your area. If you have any questions regarding your EB8520 blower, or if you do not understand something in this manual, your Shindaiwa dealer will be glad to assist you. For additional information, you may also contact Shindaiwa Inc. at the address printed on the back of this manual.

Attention Statements

Throughout this manual are special “Attention Statements”.

WARNING!

A statement preceded by the triangular Attention Symbol and the word “WARNING” indicates a potentially hazardous situation which, if not avoided, COULD result in death or serious injury.

CAUTION!

A statement preceded by the word

“CAUTION” contains information that

should be acted upon to avoid damaging the unit.

A statement preceded by the word “IMPORTANT” is one that possesses special signiﬁcance.

A statement preceded by the word “NOTE”

contains information that is handy to know and may make your job easier.

IMPORTANT!

NOTE:

Safety and operation labels

Read and follow this manual. Failure to do so could result in serious injury.

Wear eye and hearing protection at all times during the operation of this unit.

Keep hair and loose clothing clear of the air inlet.

This unit is intended for outdoor use only and should be used only in well ventilated areas.

General Safety Instructions

Work Safely

Blowers operate at a very high speed and can do serious damage or injury if they are misused or abused. Never allow a person

without training or instruction to operate your Blower!

Stay Alert

You must be physically and mentally ﬁt to operate this unit safely.

WARNING!

Never make unauthorized modications or attachment installations. Never use attachments not approved by

Shindaiwa for use on this unit.

WARNING!

Never operate power

equipment of any kind if you are tired

or if you are under the inuence of

alcohol, drugs, medication or any other substance that could affect your ability or judgement.

IMPORTANT!

This engine is equipped with a heat sensor in order to prevent the engine from overheating. If the sensor is activated, engine speed will be reduced to 5,000 min If the engine speed is automatically reduced, please cool the engine as described in the section "Using the Blower".

-1

(RPM).

WARNING!

Minimize the Risk of Fire

NEVER smoke or light res near the unit. ALWAYS stop the engine and allow it to

cool before refueling. Avoid overlling and

wipe off any fuel that may have spilled. ALWAYS inspect the unit for fuel leaks

before each use. During each rell,

check that no fuel leaks from around the fuel cap and/or fuel tank.

WARNING!

Use Good Judgment

ALWAYS wear eye protection that

complies with ANSI Z 87.1 or your

applicable national standard to shield against thrown objects.

NEVER run the engine indoors! Make sure there is always good ventilation. Fumes from engine exhaust can cause serious injury or death.

ALWAYS stop the unit immediately if it suddenly begins to vibrate or shake. Inspect for broken, missing or improperly installed parts.

If fuel leaks are evident, stop using the

unit immediately. Fuel leaks must be repaired before using the unit.

ALWAYS move the unit to a place well away from a fuel storage area or other

readily ammable materials before

starting the engine.

NEVER place ammable material close to the engine mufer.

NEVER run the engine without the spark arrester screen in place.

ALWAYS keep the unit as clean as practical. Keep it free of loose vegetation, mud, etc.

ALWAYS keep the handles clean. ALWAYS disconnect the spark plug wire

before performing any maintenance work. ALWAYS turn off the engine before

putting the unit down. When transporting the unit in a vehicle, properly secure it to prevent the unit from over turning, fuel spillage and damage to the unit.

NEVER insert any foreign objects into the air intake or outlet opening of the blower while in operation.

Safety Labels

WARNING!

Metal surfaces of crank-

case may be hot! Always wear

gloves when handling this unit.

IMPORTANT!

Safety and Operation Information Labels: Make sure all information labels are undamaged and readable. Immediately replace damaged or missing information labels. New labels are available from your local authorized Shindaiwa dealer.

The Properly Equipped Operator

Wear close-tting clothing to protect legs and

arms. Gloves offer added protection and are

strongly recommended. Do not wear clothing

or jewelry that could get caught in machinery

or underbrush. Secure hair so it is above

shoulder level. NEVER wear shorts!

Keep a proper footing and do

not overreach. Maintain your

balance at all times during

operation.

Wear appropriate footwear (non-skid

boots or shoes): do not wear open-toed

shoes or sandals. Never operate the unit

while barefoot!

Wear hearing protection

when operating this unit.

Always wear eye protection such as a face shield or goggles while operating

this unit. Never operate the blower

when visibility is poor.

Wear a dust mask to

reduce the risk of inhalation

injuries.

Always be aware of the strength and

direction of the blower discharge

stream. Never direct the blower

discharge stream toward people or

animals!

Figure 1

Be Aware of the Working Environment

Debris sometimes collects on the

blower intake. Never clean out debris

from the blower while the engine is

running!

Never operate the blower if any component parts are damaged,

loose, or missing!

Make sure bystanders or

observers outside the 15 m

(50-foot) “danger zone” wear

eye protection.

15 METERS

Avoid long-term operation in very

hot or very cold weather.

Reduce the risk of bystanders

being struck by ying debris.

Make sure no one is within 15

meters (50 feet)—that’s about 16

paces—of an operating blower.

Be extremely careful of slippery

terrain, especially during rainy

weather. Never operate this

blower on a roof, ledge or ladder.

Figure 2

Be constantly alert for

objects and debris that

could be thrown from the air

blast and bounced from a

hard surface.

Do not direct the air blast

towards bystanders. The

high air ow could blow

small objects at great

speed causing possible

eye injury.

Unit Description

Stop Switch

Volute

Case

Air Cleaner

Cover

EB8520

Throttle Lever

Fuel Filler

Cap

Spark Plug

Engine

Cover

Starter Handle

Fuel Tank

Exhaust Outlet

EB8520RT

Throttle

Assembly

Stop Switch

Flexible

Tube

Throttle

Lever

Swivel Tube

Figure 3

90° Discharge Tube

Specications

Model EB8520 EB8520RT Dry Weight (without Blower Tubes) 11.6 kg/25.57 lbs 11.5 kg/25.35 lbs Dimensions (L xWxH) Engine Type 4 cycle air-cooled gasoline engine, vertical-cylinder Bore & Stroke 51 x 39 mm (2.01 x 1.54 inches) Displacement 79.7cc (4.86 cu. inches) Max Output/min

-1

Fuel/Oil Ratio 50:1 with Shindaiwa Premium 2-cycle mixing oil Carburetor Walbro rotary-type with primer bulb Ignition CDI (Capacitor Discharge Ignition) Spark Plug NGK CMR5H Starting Recoil Starter Stopping Push Button Switch (Grounding type) Slide Switch (Grounding type) Fuel Tank Capacity 2.0 liters (67.6 oz) Exhaust Spark Arrester Mufﬂer Air Filtration Dry Element with pre-ﬁlter

Speciﬁcations are subject to change without notice.

350 x 465 x 545 mm

3.21 kW/4.3 hp @ 7,500 min

-1

Assembly

Prior to Assembly

Using Figure 3 as a guide, familiarize yourself with the blower and its components. Understanding the unit helps ensure top performance, longer service life, and safer operation.

Before assembling the blower, make sure you have all required components.

Assembling the Blower

IMPORTANT!

This unit is equipped with a static discharge reduction wire. This wire helps direct static buildup into the air stream reducing the felt amount to the operator.

Place the blower upright on the ground 1. or a sturdy work surface and note parts orientation as shown in Figure 4.

Remove static wire from package and ﬁx eyelet to right hand engine cover screw. See Figure 5.

Turn the discharge tube out to a right angle and slip anti-static wire through the 102mm clamp and ﬂexible tube.

Slip the ﬂexible tube over the end of the 90° discharge tube, and secure with the 102mm clamp.

■

Power unit and blower assembly.

Flexible tube, swivel tube, two nozzles ■

and straight tube. Handgrip (Non RT unit only).

■

Two tube clamps (102 and 89mm). ■ This Owner’s/Operator’s Manual ■

and a tool kit containing a tool bag, 4 mm hex wrench, 5 mm hex wrench and a combination spark plug wrench/screwdriver.

Swivel

Anti-Static

Wire

Figure 4

90° Discharge Tube

102mm

Clamp

Tube

Flexible Tube

89mm Clamp

■

Lead wire assembly (anti-static).

Carefully inspect all components for damage.

IMPORTANT!

The terms “left”, “left-hand”, “LH”; “right”, “right-hand”, and “RH”; “front” and “rear” refer to directions as viewed by the operator during normal operation.

Handgrip

Long Nozzle

(ø74 mm)

Straight Tube

Swivel Tube

Short Nozzle

(ø65 mm)

NOTE:

Check to make sure that the 90° discharge

tube swivels freely. If any binding is present, loosen 102mm clamp and pull wire

towards engine to get more slack and recheck for free movement.

Insert the static wire through the swivel 5. tube, then install and tighten the 89mm clamp over the rotating band on the swivel tube.

Slide the handgrip over the swivel tube and secure with the bolt and wingnut.

Fold the end of the static wire back over the connection of the swivel tube. See Figure 5.

Grasp the nozzle, and push the nozzle over the swivel tube locking pins securing the static wire. See Figure 6.

Lock the nozzle to the swivel tube by rotating the nozzle noting the alignment marks. See Figure 6.

Swivel

Tube

Static Wire

Fold wire

Flexible Tube

Static Wire

Figure 5

Connector

IMPORTANT!

Blower tube installation affects blower performance! Make sure the tubes and nozzle are correctly assembled per above, and that all connections are tight. Blower tubes may come apart during use unless tubes are aligned and locked into place.

Align the lock pins with the lock

slots, and push the tube and

nozzle together.

Lock Pin

Lock Slot

Rotate clockwise to lock making

sure the 3 lines are aligned on

both tube and nozzle.

Figure 6

WARNING! Danger from rotating impeller!

Stop the engine before installing or

removing the blower tubes! Never

perform any maintenance or assembly procedures on this unit while the engine is running!

Assembly (continued)

Assembling the RT Blower

IMPORTANT!

This unit is equipped with a static discharge reduction wire. This wire helps direct static buildup into the air stream reducing the felt amount to the operator.

Place the blower upright on the ground 1. or a sturdy work surface and note parts orientation as shown in Figure 7.

Remove static wire from package and ﬁx eyelet to right hand engine cover screw. See Figure 8.

Turn the discharge tube out to a right angle and slip anti-static wire through the 102mm clamp and ﬂexible tube.

Install throttle cable holder just forward of the 102 mm clamp, pinching loops together to ﬁt over end of ﬂexible tube. See Figures 10A and 10B.

Slip the ﬂexible tube over the end of the 90° discharge tube, and secure with the 102 mm clamp.

Slide the throttle assembly over the swivel 6. tube. Do not tighten clamp at this time.

NOTE:

Check to make sure that the 90° dis-

charge tube swivels freely. If any binding is present, loosen 102 mm clamp and

pull wire towards engine to get more slack and recheck for free movement.

Insert the static wire through the swivel 7. tube, then install and tighten the 89mm clamp over the rotating band on the swivel tube.

Fold the end of the static wire back over the connection of the swivel tube. See Figure 8.

Grasp the nozzle, and push the nozzle over the swivel tube locking pins securing the static wire. See Figure 9.

10.

Lock the nozzle to the swivel tube by rotating the nozzle noting the alignment marks. See Figure 9.

Adjust throttle assembly for best operator 11. comfort and tighten two socket-head screws.

Figure 7

Figure 8

Loops

Figure 10A

Anti-Static

Wire

Throttle

Assembly

Throttle Cable

Holder

Static Wire Connector

90° Discharge

Tube

102mm

Clamp

Swivel

Tube

Static Wire

Throttle Cable

Holder

Fold Wire

Flexible Tube

Throttle

Assembly

Long Nozzle (ø74 mm)

Align the lock pins with the lock

slots, and push the tube and

nozzle together.

Flexible Tube

89mm Clamp

Swivel

Tube

Straight Tube

Swivel Tube

Lock Pin

Lock Slot

Rotate clockwise to lock making

sure the 3 lines are aligned on

both tube and nozzle.

Figure 9

IMPORTANT!

WARNING! Danger from rotating impeller!

Stop the engine before installing or

removing the blower tubes! Never

perform any maintenance or assembly procedures on this unit while the engine is running!

Short Nozzle

(ø65 mm)

Figure 10B

Throttle Cable Holder

The blower should now be ready

for use.

Mixing fuel

CAUTION!

Never use any type of gasoline

■

containing more than 10% alcohol

by volume! Some types of gasoline contain alcohol as an oxygenate. Oxygenated gasoline may cause increased operating temperatures. Under certain conditions, alcoholbased gasoline may also reduce the lubricating qualities of some

2-cycle mixing oils.

■

Generic oils and some outboard

oils may not be intended for use

in high-performance C4 engines,

and should never be used in your Shindaiwa engine.

CAUTION!

This engine is designed to operate

on a 50:1 mixture consisting of unleaded gasoline and ISO-L-EGD or JASO FC class 2-cycle mixing oil

only. Use of non-approved mixing oils can lead to excessive carbon deposits.

Use only fresh, clean unleaded gasoline ■

with a pump octane of 87 or higher.

■

Mix all fuel with a 2-cycle air-cooled mixing oil that meets or exceeds ISO-LEGD and/or JASO FC classiﬁed oils at 50:1 gasoline/oil ratio.

Examples of 50:1 mixing quantities

Gasoline 2-cycle mixing oil

liters milliliters

2.5 - 1 5 - 1 100 ml

10 - 1 200 ml 20 - 1 400 ml

IMPORTANT!

Mix only enough fuel for your immediate needs! If fuel must be stored longer than 30 days and used, it should ﬁrst be treated with a fuel stabilizer such as STA-BIL™.

ﬁed oil and also meets or exceeds ISO-L-EGD performance requirements. Shindaiwa One is recommended for use in all Shindaiwa low emissions engines. Shindaiwa One also includes a fuel stabilizer.

oil with fuel stabilizer is not

Oil is a registered JASO FC classi-

50 ml

Filling the fuel tank

WARNING!

Minimize the Risk of Fire

NEVER ■ smoke or light res near the

engine.

■ stop the engine and allow

ALWAYS

it to cool before refueling.

■ Wipe all spilled fuel and

ALWAYS

move at least 3 meters from the fueling point and source before starting.

■ place ammable material

NEVER

close to the engine mufer.

■ operate the engine with-

NEVER

out the mufer and spark arrester

screen in place.

FUEL IS HIGHLY FLAMABLE. ■ ALWAYS ■ store gasoline in a con-

tainer approved for ammable liquids.

■ inspect the unit for fuel

ALWAYS

leaks before each use. During each

rell, check that no fuel leaks from around the fuel cap and/or fuel tank. If

fuel leaks are evident, stop using the unit immediately . Fuel leaks must be repaired before using the unit.

ALWAYS ■ move the unit at least 3

meters away from a fuel storage

area or other readily ammable

materials before starting the engine.

Place the unit on a ﬂat, level surface.1. Clear any dirt or other debris from 2.

around the fuel ﬁller cap. Remove the fuel cap, and ﬁll the tank 3.

with clean, fresh fuel. Reinstall the fuel ﬁller cap and tighten 4.

ﬁrmly. Wipe away any spilled fuel before start-5.

ing the unit.

Remove the Fuel

Filler Cap

Starting the Engine

WARNING!

Danger from rotating impeller!

The impeller will rotate whenever the blower is operated! Never operate this blower unless the intake cover and blower tubes are properly installed and in good working order!

Starting procedure

Place the blower on the ground. 1. Prime the fuel system by repeatedly 2.

depressing the fuel primer bulb until no air bubbles are visible in the fuel discharge line.

IMPORTANT!

The primer system only pushes fuel through the carburetor. Repeatedly pressing the primer bulb will not ﬂood the engine with fuel.

Choke UP:

Closed

Choke DOWN:

Open

Figure 12

Fuel Primer

Bulb

Cold Engine Only.3. Choke the engine by moving the choke lever up (choke is closed). See Figure 12.

WARNING!

Danger from thrown dust or debris!

Always wear eye protection when operating this machine! Never direct the blower stream toward people or animals!

Never operate this blower unless all controls are properly installed and in good working order.

EB8520

EB8520RT

Throttle Lock

Lever

Figure 13

Full Throttle

Idle

Throttle Lever

Ignition

Switch

Move the throttle lever to half throttle. 4. RT Model: Slide the ignition switch to the “I” (ON) position, then depress the throttle lever halfway and lock throttle by moving the throttle lock lever halfway down. See Figure 13.

Hold the blower ﬁrmly with your left hand on the volute case.

Using your right hand, pull the starter handle slowly until you feel the starter engage. See Figure 14.

CAUTION!

The recoil starter can be damaged by abuse!

■

Never pull the starter cord to its full length!

■

Always engage the starter before cranking the engine!

■

Always rewind the starter cord slowly!

Never operate the blower if blower ■

tubes are missing or damaged!

Pull upward

rapidly

Figure 14

As the starter engages, pull the starter 7. handle upward rapidly.

If necessary, repeat Steps 6 and 7 until the engine starts.

WARNING!

Never operate the blower unless all controls are properly installed and in good working order. Never operate the blower if the cylinder cover is missing or damaged!

When The Engine Starts

Open the choke (if it is not already ■

open) by moving the choke lever down.

If the engine does not continue to run,

■

repeat the appropriate starting procedures for a cold or warm engine.

After the engine starts, allow the engine ■

to warm up at idle 2 or 3 minutes before operating the unit.

Starting the Engine (continued)

If The Engine Does Not Start

Repeat the appropriate starting procedures for warm or cold engine. If the engine still will not start, follow the “Starting a Flooded Engine” procedure.

Starting A Flooded Engine

Disconnect the spark plug lead, and remove the spark plug (see page 12 for procedures).

If the spark plug is fouled or is soaked with fuel, clean or replace the plug as required.

With the spark plug removed, open the choke, put the throttle lever in the full throttle position, then clear excess fuel from the combustion chamber by cranking the engine several times.

Install and tighten the spark plug, and reconnect the spark plug lead.

Stopping The Engine

Cool the engine by allowing it to run at idle for 2–3 minutes.

Push and hold the Stop button down until the engine stops. RT Model: Slide the ignition switch towards the rear to “O” (OFF). See Figure 15.

Figure 15

OFF

EB8520

Stop Button

Repeat the starting procedures for a warm engine.

If the engine still fails to start or ﬁre,

6. refer to the troubleshooting ﬂow chart at the end of this manual.

Ignition Switch

EB8520RT

Adjusting Engine Idle Speed

IMPORTANT!

A clean and unrestricted airﬂow is essential to your blower’s engine performance and durability! Before attempting any carburetor adjustments, inspect and clean the engine air ﬁlter as described in the maintenance section of this manual.

IMPORTANT!

Blower tubes and the air cleaner must be in place while adjusting engine idle! Engine idle speed will also be affected if the blower tubes are blocked or incorrectly installed!

Carburetor fuel mixture adjustments are preset at factory on units with emission control systems and cannot be serviced

in the eld.

Place the unit on the ground and start 1. the engine, then allow it to idle 2-3 minutes until warm.

If a tachometer is available, the engine 2. idle speed should be ﬁnal adjusted to 2,000 (±200) min

-1

. See Figure 16.

NOTE:

Idle Adjustment

Figure 16

Screw

Idle Decrease

Idle Increase

Turbo

Throttle Control RT

Turbo

The RT blower is equipped with a multi- function throttle control. The “Cruise” function allows the operator to use a thumb controlled lever for constant speed use without using the throttle trigger. This is useful for limiting the fatigue caused from holding the throttle for extended periods of time.

Cruise Function

Using the right thumb, push the throttle lock lever down until the desired min reached. See Figure 17

Throttle Limiter

The RT blower has a throttle limiter function that allows the operator to pre-set the maximum engine speed. This is useful for reducing the noise emitted by the blower in noise sensitive areas.

Setting Throttle Limiter:

For reduced noise setting, move the throttle limiter located on the right side of the throttle control to the dB setting. See Figure 18.

Throttle Limiter Adjustment

-1

setting is

On the opposite side, a two position “Limiter” control allows full engine speed when set for “Turbo” or limits the throttle to a pre-set engine speed when set to low noise (dB) setting.

Thumb

Control Lever

Figure 17

Adjusting Throttle Limiter:

Remove the plug located at the top of 1. the throttle assembly. See Figure 19.

Move the throttle limiter lever to the “dB” setting. See Figure 19.

With the engine running and while 3. depressing the throttle trigger, use a small Phillips screw driver to turn the adjustment

-1

screw clockwise to decrease min

and

counter-clockwise to increase until desired

-1

limited min

is achieved.

Reinstall limiter adjustment plug.4.

To bring min-1 down to idle, push lever back up into original position.

NOTE:

With the throttle limiter adjusted to 3,850

-1

, the RT blower will have a sound

min

level of 65 dB(A) measured at 15m

(50 feet).

Turbo Setting

dB Setting

Figure 18

Remove limiter

adjustment plug

Throttle Limiter

Lever

Figure 19

Comfortable

back pads

Adjusting The Harness

The Shindaiwa blower features an

advanced harness system that helps

the blower can efﬁciently move a wide

variety of debris ranging from grass clip

pings to gravel. As a general rule, operate

your blower at the lowest throttle setting

loads such as dirt or snow.

lawns or shrubbery.

to move grass or leaves from parking

lots or walkways.

IMPORTANT!

ting required to get the job done!

This engine is equipped with a heat sensor

be reduced to 5,000 min

(RPM). If the

-1

Quick- disconnect

spring hook

Pull on the loops to quickly tighten the harness straps.

ensure maximum operator comfort and ease of operation.

■

The shoulder harness is ﬁlled with soft padding for reduced operator fatigue.

■

The simpliﬁed adjustment system makes it easy to match the harness to every body size and type.

A = Adjust height

B = Adjust angle

Air Cleaner

IMPORTANT!

WARRANTY REPAIRS MUST BE PER

THAT ARE NOT EQUIVALENT IN PER

AUTHORIZED PARTS MAY IMPAIR THE

A BEARING ON THE OUTCOME OF A

WARRANTY CLAIM.

WARNING!

for possible fuel leaks, and repair as

fuel tank. Dirt build-up in these areas

IMPORTANT!

the ﬁlter only!

WARNING!

failure.

following:

ging and clean as necessary.

pre-ﬁlter is torn or otherwise damaged,

IMPORTANT!

The blower uses a special high capacity

the element is damaged or distorted,

Maintenance

Every 10/15 Hours

CAUTION!

Never allow dirt or debris to enter the

cylinder bore! Before removing the spark plug, thoroughly clean the spark plug and cylinder head area!

Allow the engine to cool before servicing the spark plug! Cylinder threads can be damaged by tightening or loosening the spark plug while the engine is hot!

Every 50 Hours

(more frequently if reduced performance is noted)

INSPECTION Inspect the entire ■

blower and tubes for damage, including loose or missing components, and repair as necessary.

■

SPARK PLUG Replace the spark plug with a NGK CMR5H (or equivalent), gapped to 0.6 mm (0.024”).

FUEL FILTER Use a hooked wire to ■

extract the fuel ﬁlter from inside the fuel tank.

Use the spark plug wrench to remove 1. the spark plug.

Clean and adjust the spark plug gap to 0.6mm (0.024”). If the plug must be replaced, use a NGK CMR5H or equivalent type plug of the correct heat range.

Install the spark plug ﬁnger-tight in the cylinder head, then tighten it ﬁrmly with the spark plug wrench. If a torque wrench is available, torque the spark plug to 16.7-18.6 Nm (148-165 inch- pounds).

Hooked

Wire

Fuel

Filter

Fuel Tank

Figure 23

CAUTION!

Make sure you do not pierce the fuel line with the end of the hooked wire. The line is delicate and can be damaged easily.

Counter-clockwise

to remove.

Clean the spark

plug and check

the gap at the

0,6 - 0,7 mm

(0.024 in.)

Figure 22

electrode.

NGK CMR5H

Inspect the ﬁlter element for signs of ■

contamination from debris. A contaminated fuel ﬁlter should be replaced with a new Shindaiwa replacement element. Before reinstalling the ﬁlter, inspect the condition of the fuel line. If you note damage or deterioration, the blower should be removed from service until it can be inspected by a Shindaiwatrained service technician.

■

COOLING SYSTEM Use a wood or plastic scraper and a soft brush to remove dirt and debris from the cylinder ﬁns and crankcase.

139/150-Hour Maintenance

Maintenance after ﬁrst 139-hours, then every 150-hours thereafter.

■

Combustion chamber should be decarbonized, and the valve clearance should be adjusted. It is highly recommended that this is done by a Shindaiwa-trained service technician.

Replace the spark plug annually: Use ■

onlyNGK CMR5H or equivalent resistor type spark plug of the correct heat range. Set spark plug electrode gap to

0.6 mm (0.024 inch).

NOTE:

The NGK CMR5H also meets the requirements for electro magnetic compliance (EMC).

Arrester

Arrester Screen Cover

Whenever the unit will not be used for

to prepare it for storage:

fuel lines and carburetor:

of 2-cycle mixing oil into the

times so oil will evenly coat the interior

unit and clean it as outlined in the sec

tion, "10-Hour Maintenance".

fuel is passing through.

will no longer start.

IMPORTANT!

All stored fuels should be stabilized with a

fuel stabilizer such as STA-BIL™ if Shindaiwa

vicing, have the unit inspected by an autho

lodged in the spark arrester screen. For

follows:

ﬂer. Remove the spark arrester from

the mufﬂer. The arrester is press-ﬁt in

ter screen and wipe clean exhaust base.

WARNING!

with a damaged or missing mufer or

re hazard, and can also damage your

Troubleshooting Guide

What To Check Possible Cause Remedy

ENGINE DOES NOT START

Does the engine crank?

YES

Good compression?

YES

Does the tank contain fresh fuel of the proper grade?

YES

Is fuel visible and moving in the return line when priming?

YES

Faulty recoil starter.

Fluid in the crankcase.

Internal damage.

Loose spark plug.

Excess wear on cylinder, piston, rings.

Fuel incorrect, stale, or contaminated; mixture incorrect.

Check for clogged fuel ﬁlter and/or vent.

Priming pump not functioning properly..

Consult with an authorized servicing dealer.

Tighten and re-test.

Consult with an authorized servicing dealer.

Reﬁll with fresh, clean unleaded gasoline with a pump octane of 87 or higher mixed with 50:1 Shindaiwa Premium 2-cycle mixing oil or with an equivalent high quality 2-cycle mixing oil.

Replace fuel ﬁlter or vent as required. Restart.

Consult with an authorized servicing dealer.

Is there spark at the spark plug wire terminal?

YES

Check the spark plug.

The ignition switch is in “O” (OFF) position.

Shorted ignition ground. Faulty ignition unit.

If the plug is wet, excess fuel may be in the cylinder.

The plug is fouled or improperly gapped.

The plug is damaged internally or of the wrong size.

Move switch to “I” (ON) position and restart.

Consult with an authorized servicing dealer.

Crank the engine with the plug removed, reinstall the plug, and restart.

Clean and regap the plug to 0.6mm. Restart.

Replace the spark plug. Check the unit Speciﬁcations page for the proper spark plug for your unit. Restart.

Troubleshooting Guide

What To Check Possible Cause Remedy

LOW POWER OUTPUT

Is the engine overheating?

Engine is rough at all speeds. May also have black smoke and/or unburned fuel at the exhaust.

Operator is overworking the unit.

Carburetor mixture is too lean.

Improper fuel ratio.

Fallen leaves or debris on intake cover..

Fan, fan cover, cylinder ﬁns dirty or damaged

Carbon deposits on the piston or in the mufﬂer.

Clogged air cleaner element.

Loose or damaged spark plug.

Air leakage or clogged fuel line.

Operate at slower rate.

Consult with an authorized servicing dealer.

Reﬁll with clean fresh unleaded gasoline with a pump octane of 87 or higher, mixed with Premium 2-cycle mixing oil at a 50:1 gasoline/oil ratio.

Clean intake cover..

Clean, repair or replace as necessary.

Consult with an authorized servicing dealer

Clean or replace the air ﬁlter

Tighten or replace the spark plug. Restart. Check the Product Speciﬁcations page in this manual for the correct spark plug for this unit.

Repair or replace fuel ﬁlter and/or fuel line.

Engine is knocking.

Engine speed is reduced.

Water in the fuel.

Piston seizure. Faulty carburetor and/or diaphragm

Overheating condition.

Improper fuel.

Carbon deposits in the combustion chamber.

Heat sensor is activated, due to restricted air ﬂow at intake cover.

Reﬁll with fresh fuel/oil mixture.

Consult with an authorized servicing dealer.

Check fuel octane rating; check for presence of alcohol in the fuel. Refuel as necessary.

Consult with an authorized servicing dealer.

Stop the engine. Clean debris blocking intake cover. Restart. Idle more than 1 minute. If engine speed is reduced again, consult with an authorized servicing dealer.

Troubleshooting Guide

ADDITIONAL PROBLEMS

What To Check Possible Cause Remedy

Poor acceleration.

Engine stops abruptly.

Clogged air ﬁlter.

Clogged fuel ﬁlter.

Lean fuel/air mixture. Idle speed set too low.

Ignition switch turned off. Fuel tank empty. Clogged fuel ﬁlter.

Water in the fuel.

Shorted spark plug or loose terminal.

Ignition failure. Piston seizure.

Ground (stop) wire is disconnected or switch is defective

Clean or replace the air ﬁlter.

Replace the fuel ﬁlter. Consult with an authorized servicing dealer. Adjust: 2,000 (±200) min-1.

Reset the switch and re-start. Refuel. See Fuel section of manual. Replace fuel ﬁlter.

Drain; replace with clean fuel. See Fuel section of manual..

Clean or replace spark plug. Check the Speciﬁcations page in this manual for the proper spark plug for your unit. Tighten the terminal.

Replace the ignition unit. Consult with an authorized servicing dealer.

Test and replace as required.

Engine difﬁcult to shut off.

Excessive vibration.

Engine overspeeding.

Engine speed is reduced.

Overheating due to incorrect spark plug

Overheated engine.

Debris build up in impeller.

Loose or damaged impeller. Loose or damaged engine mounts.

Blower intake or discharge ports or tubes are clogged with debris..

Impeller blades are missing or damaged.

Heat sensor is activated, due to restricted air ﬂow at intake cover.

Replace the spark plug. Check the Speciﬁcations page in this manual for the proper spark plug for your unit.

Idle engine until cool.

Clean debris from impeller as required.

Inspect and replace impeller as required. Tighten or replace engine mounts as required.

Inspect and remove debris.

Consult with a authorized servicing dealer.

Stop the engine. Clean debris blocking intake cover. Restart. Idle more than 1 minute. If engine speed is reduced again, consult with an authorized servicing dealer.

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